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2019-01-21target/arm: Enable PAuth for -cpu maxRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-30-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add PAuth system registersRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-29-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Implement pauth_computepacRichard Henderson
This is the main crypto routine, an implementation of QARMA. This matches, as much as possible, ARM pseudocode. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-28-richard.henderson@linaro.org [PMM: fixed minor checkpatch nits] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Implement pauth_addpacRichard Henderson
This is not really functional yet, because the crypto is not yet implemented. This, however follows the AddPAC pseudo function. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-27-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Implement pauth_authRichard Henderson
This is not really functional yet, because the crypto is not yet implemented. This, however follows the Auth pseudo function. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-26-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Implement pauth_stripRichard Henderson
Stripping out the authentication data does not require any crypto, it merely requires the virtual address parameters. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-25-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Reuse aa64_va_parameters for setting tbflagsRichard Henderson
The arm_regime_tbi{0,1} functions are replacable with the new function by giving the lowest and highest address. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-24-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode TBID from TCRRichard Henderson
Use TBID in aa64_va_parameters depending on the data parameter. This automatically updates all existing users of the function. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-23-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add aa64_va_parameters_bothRichard Henderson
We will want to check TBI for I and D simultaneously. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-22-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Export aa64_va_parameters to internals.hRichard Henderson
We need to reuse this from helper-a64.c. Provide a stub definition for CONFIG_USER_ONLY. This matches the stub definitions that we removed for arm_regime_tbi{0,1} before. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-21-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Merge TBFLAG_AA_TB{0, 1} to TBIIRichard Henderson
We will shortly want to talk about TBI as it relates to data. Passing around a pair of variables is less convenient than a single variable. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-20-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Create ARMVAParameters and helpersRichard Henderson
Split out functions to extract the virtual address parameters. Let the functions choose T0 or T1 address space half, if present. Extract (most of) the control bits that vary between EL or Tx. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-19-richard.henderson@linaro.org [PMM: fixed minor checkpatch comment nits] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Introduce arm_stage1_mmu_idxRichard Henderson
While we could expose stage_1_mmu_idx, the combination is probably going to be more useful. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-18-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Introduce arm_mmu_idxRichard Henderson
The pattern ARMMMUIdx mmu_idx = core_to_arm_mmu_idx(env, cpu_mmu_index(env, false)); is computing the full ARMMMUIdx, stripping off the ARM bits, and then putting them back. Avoid the extra two steps with the appropriate helper function. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-17-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Move cpu_mmu_index out of lineRichard Henderson
This function is, or will shortly become, too big to inline. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-16-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode Load/store register (pac)Richard Henderson
Not that there are any stores involved, but why argue with ARM's naming convention. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-15-richard.henderson@linaro.org [fixed trivial comment nit] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_uncond_b_regRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-14-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Rearrange decode in disas_uncond_b_regRichard Henderson
This will enable PAuth decode in a subsequent patch. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add new_pc argument to helper_exception_returnRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-12-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Move helper_exception_return to helper-a64.cRichard Henderson
This function is only used by AArch64. Code movement only. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-11-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_data_proc_2srcRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-10-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within disas_data_proc_1srcRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Rearrange decode in disas_data_proc_1srcRichard Henderson
Now properly signals unallocated for REV64 with SF=0. Allows for the opcode2 field to be decoded shortly. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Decode PAuth within system hint spaceRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-7-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add PAuth helpersRichard Henderson
The cryptographic internals are stubbed out for now, but the enable and trap bits are checked. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Introduce raise_exception_raRichard Henderson
This path uses cpu_loop_exit_restore to unwind current processor state. Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190108223129.5570-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add PAuth active bit to tbflagsRichard Henderson
There are 5 bits of state that could be added, but to save space within tbflags, add only a single enable bit. Helpers will determine the rest of the state at runtime. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-4-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add SCTLR bits through ARMv8.5Richard Henderson
Post v8.4 bits taken from SysReg_v85_xml-00bet8. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Add state for the ARMv8.3-PAuth extensionRichard Henderson
Add storage space for the 5 encryption keys. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20190108223129.5570-2-richard.henderson@linaro.org [PMM: use 0xf rather than -1 in FIELD_DP64() expressions to avoid clang warnings about implicit truncation from int to bitfield changing the value] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-21target/arm: Allow Aarch32 exception return to switch from Mon->HypAlexander Graf
In U-boot, we switch from S-SVC -> Mon -> Hyp mode when we want to enter Hyp mode. The change into Hyp mode is done by doing an exception return from Mon. This doesn't work with current QEMU. The problem is that in bad_mode_switch() we refuse to allow the change of mode. Note that bad_mode_switch() is used to do validation for two situations: (1) changes to mode by instructions writing to CPSR.M (ie not exception take/return) -- this corresponds to the Armv8 Arm ARM pseudocode Arch32.WriteModeByInstr (2) changes to mode by exception return Attempting to enter or leave Hyp mode via case (1) is forbidden in v8 and UNPREDICTABLE in v7, and QEMU is correct to disallow it there. However, we're already doing that check at the top of the bad_mode_switch() function, so if that passes then we should allow the case (2) exception return mode changes to switch into Hyp mode. We want to test whether we're trying to return to the nonexistent "secure Hyp" mode, so we need to look at arm_is_secure_below_el3() rather than arm_is_secure(), since the latter is always true if we're in Mon (EL3). Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20190109152430.32359-1-agraf@suse.de [PMM: rewrote commit message] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-18target/mips: Introduce 32 R5900 multimedia registersFredrik Noring
The 32 R5900 128-bit registers are split into two 64-bit halves: the lower halves are the GPRs and the upper halves are accessible by the R5900-specific multimedia instructions. Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Fredrik Noring <noring@nocrew.org> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Rename 'rn' to 'register_name'Aleksandar Markovic
Rename 'rn' to 'register_name' in CP0-related handlers. Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Add CP0 register MemoryMapIDAleksandar Markovic
Add CP0 register MemoryMapID. Only data field is added. The corresponding functionality will be added in future patches. Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Amend preprocessor constants for CP0 registersAleksandar Markovic
Correct existing CP0-related preprocessor constants (replace "CPO" with "CP0" (form letter "O" to digit "0", when needed). Besides, add preprocessor constants for CP0 subregisters. The names of the subregisters were chosen to be in sync with the table of corresponding assembler mnemonics found in the documentation for I6500 and I6400 (release 1.0). Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Update ITU to utilize SAARI and SAAR CP0 registersYongbok Kim
Update ITU to utilize SAARI and SAAR CP0 registers. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Yongbok Kim <yongbok.kim@mips.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Provide R/W access to SAARI and SAAR CP0 registersYongbok Kim
Provide R/W access to SAARI and SAAR CP0 registers. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Yongbok Kim <yongbok.kim@mips.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Add fields for SAARI and SAAR CP0 registersYongbok Kim
Add fields for SAARI and SAAR CP0 registers. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Yongbok Kim <yongbok.kim@mips.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Use preprocessor constants for 32 major CP0 registersAleksandar Markovic
Use preprocessor constants for 32 major CP0 registers. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Add preprocessor constants for 32 major CP0 registersAleksandar Markovic
Add preprocessor constants for 32 major CP0 registers. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18target/mips: Move comment containing summary of CP0 registersAleksandar Markovic
Move comment containing summary of CP0 registers. Checkpatch script reported some tabs in the resutling diff, so convert these tabs to spaces too. Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
2019-01-18s390x: Return specification exception for unimplemented diag 308 subcodesJanosch Frank
The architecture specifies specification exceptions for all unavailable subcodes. The presence of subcodes is indicated by checking some query subcode. For example 6 will indicate that 3-6 are available. So future systems might call new subcodes to check for new features. This should not trigger a hw error, instead we return the architectured specification exception. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Cc: qemu-stable@nongnu.org Message-Id: <20190111113657.66195-3-frankja@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-01-14i386/kvm: add a comment explaining why .feat_names are commented out for ↵Vitaly Kuznetsov
Hyper-V feature bits Hyper-V .feat_names are, unlike hardware features, commented out and it is not obvious why we do that. Document the current status quo. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20181221141604.16935-1-vkuznets@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-01-14x86: host-phys-bits-limit optionEduardo Habkost
Some downstream distributions of QEMU set host-phys-bits=on by default. This worked very well for most use cases, because phys-bits really didn't have huge consequences. The only difference was on the CPUID data seen by guests, and on the handling of reserved bits. This changed in KVM commit 855feb673640 ("KVM: MMU: Add 5 level EPT & Shadow page table support"). Now choosing a large phys-bits value for a VM has bigger impact: it will make KVM use 5-level EPT even when it's not really necessary. This means using the host phys-bits value may not be the best choice. Management software could address this problem by manually configuring phys-bits depending on the size of the VM and the amount of MMIO address space required for hotplug. But this is not trivial to implement. However, there's another workaround that would work for most cases: keep using the host phys-bits value, but only if it's smaller than 48. This patch makes this possible by introducing a new "-cpu" option: "host-phys-bits-limit". Management software or users can make sure they will always use 4-level EPT using: "host-phys-bits=on,host-phys-bits-limit=48". This behavior is still not enabled by default because QEMU doesn't enable host-phys-bits=on by default. But users, management software, or downstream distributions may choose to change their defaults using the new option. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20181211192527.13254-1-ehabkost@redhat.com> [ehabkost: removed test code while some issues are addressed] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-01-14target/i386: Disable MPX support on named CPU modelsPaolo Bonzini
MPX support is being phased out by Intel; GCC has dropped it, Linux is also going to do that. Even though KVM will have special code to support MPX after the kernel proper stops enabling it in XCR0, we probably also want to deprecate that in a few years. As a start, do not enable it by default for any named CPU model starting with the 4.0 machine types; this include Skylake, Icelake and Cascadelake. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20181220121100.21554-1-pbonzini@redhat.com> Reviewed-by:   Wainer dos Santos Moschetta <wainersm@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-01-14target-i386: Reenable RDTSCP support on Opteron_G[345] CPU models CPU modelsBorislav Petkov
The missing functionality was added ~3 years ago with the Linux commit 46896c73c1a4 ("KVM: svm: add support for RDTSCP") so reenable RDTSCP support on those CPU models. Opteron_G2 - being family 15, model 6, doesn't have RDTSCP support (the real hardware doesn't have it. K8 got RDTSCP support with the NPT models, i.e., models >= 0x40). Document the host's minimum required kernel version, while at it. Signed-off-by: Borislav Petkov <bp@suse.de> Message-ID: <20181212200803.GG6653@zn.tnic> [ehabkost: moved compat properties code to pc.c] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-01-14i386/kvm: expose HV_CPUID_ENLIGHTMENT_INFO.EAX and ↵Vitaly Kuznetsov
HV_CPUID_NESTED_FEATURES.EAX as feature words It was found that QMP users of QEMU (e.g. libvirt) may need HV_CPUID_ENLIGHTMENT_INFO.EAX/HV_CPUID_NESTED_FEATURES.EAX information. In particular, 'hv_tlbflush' and 'hv_evmcs' enlightenments are only exposed in HV_CPUID_ENLIGHTMENT_INFO.EAX. HV_CPUID_NESTED_FEATURES.EAX is exposed for two reasons: convenience (we don't need to export it from hyperv_handle_properties() and as future-proof for Enlightened MSR-Bitmap, PV EPT invalidation and direct virtual flush features. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20181126135958.20956-1-vkuznets@redhat.com> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-01-14Merge remote-tracking branch ↵Peter Maydell
'remotes/palmer/tags/riscv-for-master-3.2-part2' into staging RISC-V Updates for 3.2, Part 2 This patch set contains a handful of Michael's CSR-related cleanups, which should allow us to proceed with more outstanding bug fixes that depend on them. Additionally, there is a patch that turns on USB. This works for me when the kernel has the appropriate drivers (which will soon be in defconfig) and I pass -device usb-ehci -drive id=my_usb_disk,file=usbdisk.img,if=none,format=raw -device usb-storage,drive=my_usb_disk to QEMU. # gpg: Signature made Fri 11 Jan 2019 18:05:02 GMT # gpg: using RSA key EF4CA1502CCBAB41 # gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" # gpg: aka "Palmer Dabbelt <palmer@sifive.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41 * remotes/palmer/tags/riscv-for-master-3.2-part2: default-configs: Enable USB support for RISC-V machines RISC-V: Implement existential predicates for CSRs RISC-V: Implement atomic mip/sip CSR updates RISC-V: Implement modular CSR helper interface Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-01-13target/xtensa: move non-HELPER functions to helper.cMax Filippov
Move remaining non-HELPER functions from op_helper.c to helper.c. No functional changes. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-13target/xtensa: drop dump_state helperMax Filippov
Drop unused helper dump_state from op_helper.c Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2019-01-13target/xtensa: extract interrupt and exception helpersMax Filippov
Move helper functions related to interrupt and exception handling from op_helper.c and helper.c to exc_helper.c. No functional changes. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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